Add stacktrace information if tests fail when running gradle tests

Found it more helpful in practice than --info or --debug

PiperOrigin-RevId: 587045926

Author: copybara-androidxtest

.github/workflows/ci.yml

@@ -127,7 +127,7 @@ jobs:
       - name: 'Run gradle tests'
         run: |
           cd ${{ github.workspace }}/gradle-tests
-          ./gradlew nexusOneDebugAndroidTest -Pandroid.testoptions.manageddevices.emulator.gpu="swiftshader_indirect" --no-watch-fs --info
+          ./gradlew nexusOneDebugAndroidTest -Pandroid.testoptions.manageddevices.emulator.gpu="swiftshader_indirect" --no-watch-fs --stacktrace
         shell: bash
       - name: 'Upload test reports'
         if: success() || failure()

kokoro/test_artifacts.sh

@@ -15,4 +15,4 @@ apt-get install -y zulu17-jdk
 export JAVA_HOME="$(update-java-alternatives -l | grep "1.17" | head -n 1 | tr -s " " | cut -d " " -f 3)"
 
 cd gradle-tests
-./gradlew nexusOneDebugAndroidTest -Pandroid.testoptions.manageddevices.emulator.gpu=swiftshader_indirect -Dandroid.experimental.androidTest.numManagedDeviceShards=1
+./gradlew nexusOneDebugAndroidTest --stacktrace -Pandroid.testoptions.manageddevices.emulator.gpu=swiftshader_indirect -Dandroid.experimental.androidTest.numManagedDeviceShards=1